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Question: Engine parts Here are measurements (in millimeters) of a critical dimension on an SRS of 16 of the more than 200 auto engine crankshafts produced in one day:
(a) Construct and interpret a 95% confidence interval for the process mean at the time these crankshafts were produced.
(b) The process mean is supposed to be μ = 224 mm but can drift away from this target during production. Does your interval from part (a) suggest that the process mean has drifted? Explain.
suppose that the probability that a person between the ages of 19 and 24 checks their daily horoscope is 0.12. if 400
Is the percentage of speeding tickets issued to blacks unusually high compared to the state's registration information?- Does this prove that racial profiling may be present?
Consequently, there are far fewer performance-based contracts than expected. In your view, what is the biggest challenge in preparing a performance-based work statement and what can be done to overcome that challenge?
What are examples of pairs of real-life random quantities that have interesting relationships?
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in a test of a gender-selection technique results consisted of 276 baby girls and 252 baby boys. based on this
Compute the expected value for the group b. Compute the standard deviation for the group
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according to the irs approx. 80 of taxpaters filed electorincally in 2012. for 15 randomly selected 2012 taxpayers
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